Petp
abbr. polyethylene glycol terephthalate 聚对苯二甲酸乙二醇酯; polyethylene terephthalate 聚对酞酸乙二酯，聚对苯二甲酸乙二酯
🗣️ 情景例句
I'm quite active and energetic.
我积极而充满活力。
You give me the money. I'll get you the goods.
一手交钱，一手交货。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。